Terraforming Azure PaaS

## functionapp.tf
# functionapp.tf
#
# Configure the Azure Provider
provider "azurerm" {
  version = "=1.20.0"
}

locals {
  name = "${var.name}"
  location = "${var.location}"
  resource_group = "${var.resource_group}"
  tags = "${var.tags}"

  consumption_plan_id = "${var.consumption_plan_id}"

  web_config = "${var.web_config}"
  app_settings = "${var.app_settings}"
}

resource "azurerm_function_app" "fncapp" {
  # Function app name
  name = "${local.name}"

  # Function app location
  location = "${local.location}"

  # Resource group name that Function app belongs
  resource_group_name = "${local.resource_group}"

  # Resource tags
  tags = "${local.tags}"

  # Consumption plan ID
  app_service_plan_id = "${local.consumption_plan_id}"

  # Web config
  https_only = "${local.web_config["https_only"]}"

  site_config {
    use_32_bit_worker_process = "${local.web_config["use_32_bit_worker_process"]}"
  }

  # App settings
  storage_connection_string = "${local.app_settings["storage_connection_string"]}"
  version = "${local.app_settings["functions_extension_version"]}"

  app_settings {
    AzureWebJobsSecretStorageType = "${local.app_settings["secret_storage_type"]}"
    FUNCTION_APP_EDIT_MODE = "${local.app_settings["functions_edit_mode"]}"
    FUNCTIONS_WORKER_RUNTIME = "${local.app_settings["functions_worker_runtime"]}"
  }
}

## logicapp-custom-trigger.tf
resource "azurerm_logic_app_trigger_custom" "test" {
  name         = "example-trigger"
  logic_app_id = "${azurerm_logic_app_workflow.test.id}"

  # JSON hard-coding required
  body = <<BODY
{
  "recurrence": {
    "frequency": "Day",
    "interval": 1
  },
  "type": "Recurrence"
}
BODY
}

## logicapp.tf
# logicapp.tf
#
# Configure the Azure Provider
provider "azurerm" {
  version = "=1.20.0"
}

locals {
  name = "${var.name}"
  location = "${var.location}"
  resource_group = "${var.resource_group}"
  tags = "${var.tags}"
}

resource "azurerm_logic_app_workflow" "logapp" {
  # Logic App name
  name = "${local.name}"

  # Logic App location
  location = "${local.location}"

  # Resource group name that Logic App belongs
  resource_group_name = "${local.resource_group}"

  # Resouce tags
  tags = "${local.tags}"
}

## orchestrator.tf
# orchestrator.tf
#
# Configure the Azure Provider
provider "azurerm" {
  version = "=1.20.0"
}

# Initialise external variables
variable "resource_name" {
  type = "string"
  description = "Resource name"
}

variable "resource_environment" {
  type = "string"
  description = "Resource environment"
  default = "Development"
}

variable "resource_environment_code" {
  type = "string"
  description = "Resource environment code"
  default = "dev"
}

variable "resource_location" {
  type = "string"
  description = "Resource location"
  default = "Australia Southeast"
}

variable "resource_location_code" {
  type = "string"
  description = "Resource location code"
  default = "ase"
}

# Initialise local variables
locals {
  resource_long_name = "{0}-${var.resource_name}-${var.resource_environment_code}-${var.resource_location_code}"
  resource_short_name = "${replace(local.resource_long_name, "-", "")}"
  location = "${var.resource_location}"
  tags = {
    environment = "${var.resource_environment}"
  }
}

# Create Resource Group
module "resgrp" {
  source = "./modules/resourcegroup"

  name = "${replace(local.resource_long_name, "{0}", "resgrp")}"
  location = "${local.location}"
  tags = "${local.tags}"
}

# Create Storage Account
module "st" {
  source = "./modules/storageaccount"

  name = "${replace(local.resource_short_name, "{0}", "st")}"
  location = "${local.location}"
  resource_group = "${module.resgrp.name}"
  tags = "${local.tags}"
}

# Create Consumption Plan
module "csplan" {
  source = "./modules/consumptionplan"

  name = "${replace(local.resource_long_name, "{0}", "csplan")}"
  location = "${local.location}"
  resource_group = "${module.resgrp.name}"
  tags = "${local.tags}"
}

# Create Function App
module "fncapp" {
  source = "./modules/functionapp"

  name = "${replace(local.resource_long_name, "{0}", "fncapp")}"
  location = "${local.location}"
  resource_group = "${module.resgrp.name}"
  tags = "${local.tags}"

  consumption_plan_id = "${module.csplan.id}"

  web_config = {
    https_only = "true"
    use_32_bit_worker_process = "false"
  }

  app_settings = {
    storage_connection_string = "${module.st.connection_string}"
    secret_storage_type = "Files"
    functions_extension_version = "~2"
    functions_edit_mode = "ReadOnly"
    functions_worker_runtime = "dotnet"
  }
}

# Create Logic App
module "logapp" {
  source = "./modules/logicapp"

  name = "${replace(local.resource_long_name, "{0}", "logapp")}"
  location = "${local.location}"
  resource_group = "${module.resgrp.name}"
  tags = "${local.tags}"
}

## outputs.tf
# outputs.tf
#
# Resource group ID
output "id" {
  value = "${azurerm_resource_group.resgrp.id}"
}

# Resource Group name
output "name" {
  value = "${azurerm_resource_group.resgrp.name}"
}

# Resource Group location
output "location" {
  value = "${azurerm_resource_group.resgrp.location}"
}

## resourcegroup.tf
# resourcegroup.tf
#
# Configure the Azure Provider
provider "azurerm" {
  version = "=1.20.0"
}

locals {
  name = "${var.name}"
  location = "${var.location}"
  tags = "${var.tags}"
}

resource "azurerm_resource_group" "resgrp" {
  # Resource group name
  name = "${local.name}"

  # Resource group location
  location = "${local.location}"

  # Resource group tag
  tags = "${local.tags}"
}

## variables.tf
# variables.tf
#
variable "name" {
  type = "string"
  description = "Resource group name"
}

variable "location" {
  type = "string"
  description = "Resource group location"
  default = "Australia Southeast"
}

variable "tags" {
  type = "map"
  description = "Tags for resource group"
}